87697880

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{15773}}^1$

素因数の和:15923

約数の個数: 32

約数和(自身を含む): 198752400

約数和(自身を除く): 111054520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 15773, 31546, 63092, 78865, 126184, 157730, 315460, 630920, 2192447, 4384894, 8769788, 10962235, 17539576, 21924470, 43848940, 87697880]

約数ペア:

[(1, 87697880), (2, 43848940), (4, 21924470), (5, 17539576), (8, 10962235), (10, 8769788), (20, 4384894), (40, 2192447), (139, 630920), (278, 315460), (556, 157730), (695, 126184), (1112, 78865), (1390, 63092), (2780, 31546), (5560, 15773)]